ON AN IRON STEAM-VESSEL 
273 
Table IV. 
Simultaneous Bearings between position I and the station X on the south-west side 
of Tarbert Bay, showing the Deflection of the Horizontal Needle at I. 
Baro- 
True magnetic 
Simultaneous bearinas 
Deviation or 
Date. 
Ihermo- 
direction of 
local attrac- 
meter. 
meter. 
the vessel’s 
tion at I. 
head. 
ftom I. 
from X. 
o / 
o / 
o / 
North. 
N. 66 28 E. 
S. 68 low. 
1 42 
N. by E. 
66 15 
66 40 
0 254- 
N.N.E 
66 3 
65 10 
0 53- 
Nov. 12. 
30-5 
47 
N.E. by N. 
N.E. 
65 50 
65 32 
63 40 
62 40 
2 10 
2 52 
N.E by E. 
65 10 
61 30 
3 40 
E.N.E. 
64 50 
60 40 
4 10 
- 
E. by N. 
64 35 
59 40 
4 55 
c 
East. 
64 15 
60 0 
3 45 
E. by S. 
63 30 
59 45 
3 45 
E.S.E. 
63 20 
59 25 
3 55 
S.E. bv E. 
63 2 
58 55 
4 7 
Nov. 11. 
30-4 
46 • 
S.E. 
S.E. by S. 
63 5 
63 0 
59 20 
59 40 
3 45 
3 20 
S.S.E. 
62 15 
59 0 
3 15 
S. by E. 
62 55 
59 40 
3 15 
South. 
63 4 
60 10 
2 54 
■ 
S. by W. 
63 35 
61 40 
1 53 
S.S.W. 
63 53 
62 20 
1 33 
S.W. by S. 
64 5 
Station n 
ot seen. 
S.W. 
64 20 
64 0 
0 20- 
Nov. 13. 
30-5 
47 
S.W. by W. 
64 35 
66 0 
1 25+ 
W.S.W. 
64 45 
66 30 
1 45 
W. by S. 
65 12 
67 30 
2 18 
West. 
65 35 
Station n 
ot seen. 
' 
W. by N. 
65 40 
70 10 
4 30 
W.N.W. 
65 50 
71 30 
6 0 
N.W. by W. 
66 3 
71 40 
5 37 
Nov. 13. 
30-5 
46 <j 
N.W. 
66 8 
71 40 
5 32 
N.W. by N. 
66 16 
70 50 
4 34 
N.N.W. 
66 14 
70 10 
3 56 
N. by W. 
66 12 
68 0 
1 48 
Nov. 14. 
30-4 
40-8 
North. 
66 5 
67 50 
1 45 
Fires extinguished. 
Note. — Nov. 12. Fine clear weather. Nov. 11. Cold clear weather, wind E. 
Nov. 12. Moderate breezes from the east. 
From the prevalence of wet and stormy weather it was impracticable to repeat or verify these observations. 
2 N 
MDCCCXXXVI, 
